Clamp



FIG. 1 is a front perspective view of a clamp showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side endelevational view being a mirror image of that shown;

FIG. 3 is a right end view thereof, the opposite end view being a mirrorimage of that shown;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a clamp, as shown and described.